<!-- eslint-disable vue/multi-word-component-names -->
<template>
      <div class="best">
        <header>
    <p>软件工程实践作业开发流程</p>
</header>

<ul class="timeline">
  <!-- Item 1 -->
  <li>
    <div class="direction-r">
      <div class="flag-wrapper">
        <span class="hexa"></span>
        <span class="flag">需求分析</span>
        <span class="time-wrapper"><span class="time">2023/10/8-2023/10/15</span></span>
      </div>
      <div class="desc">确认软件开发方式并确认预期功能，进行可行性分析并进行任务分配</div>
    </div>
  </li>

  <!-- Item 2 -->
  <li>
    <div class="direction-l">
      <div class="flag-wrapper">
        <span class="hexa"></span>
        <span class="flag">概要设计</span>
        <span class="time-wrapper"><span class="time">2023/10/14-2023/10/22</span></span>
      </div>
      <div class="desc">编写需求分析文档，并进行细节方面的完善</div>
    </div>
  </li>

  <!-- Item 3 -->
  <li>
    <div class="direction-r">
      <div class="flag-wrapper">
        <span class="hexa"></span>
        <span class="flag">前端开发</span>
        <span class="time-wrapper"><span class="time">2023/10/20-2023/11/10</span></span>
      </div>
      <div class="desc">搭建系统框架，进行用户页面编写，同步对接后端接口，并行进行文档编写（UI/UX设计文档、前端实现文档）</div>
    </div>
  </li>

  <!-- Item 4 -->
  <li>
    <div class="direction-l">
      <div class="flag-wrapper">
        <span class="hexa"></span>
        <span class="flag">后端开发</span>
        <span class="time-wrapper"><span class="time">2023/10/20-2023/11/10</span></span>
      </div>
      <div class="desc">设计数据库，接口功能设计，编写接口文档，并行进行文档编写（数据库设计文档、后端逻辑实现文档）</div>
    </div>
  </li>

  <!-- Item 5 -->
  <li>
    <div class="direction-r">
      <div class="flag-wrapper">
        <span class="hexa"></span>
        <span class="flag">项目文档同步编写</span>
        <span class="time-wrapper"><span class="time">2023/11/04-2023/11/23</span></span>
      </div>
      <div class="desc">测试项目功能并提出完善，编写测试文档，之后进行文档终审，确保文档内容完整、准确</div>
    </div>
  </li>

  <!-- Item 6 -->
  <li>
    <div class="direction-l">
      <div class="flag-wrapper">
        <span class="hexa"></span>
        <span class="flag">项目部署上线</span>
        <span class="time-wrapper"><span class="time">2023/11/10-2023/11/20</span></span>
      </div>
      <div class="desc">进行系统整体测试，编写测试文档，并修改相应功能，系统部署到云服务器</div>
    </div>
  </li>
</ul>
</div>
</template>

<script>

</script>

<style lang="scss" scoped> 
@import url(https://fonts.googleapis.com/css?family=Raleway:400,900);

body{
  font-family: 'Raleway', sans-serif;
  color: #333333;
}

.best{
position: relative;
top:50vh
}
header h1{
  text-align: center;
  font-weight: bold;
  margin-top: 0;
}
  
 header p{
   text-align: center;
   margin-bottom: 0;
 }

.hexa{
  border: 0px;
  float: left;
  text-align: center;
  height: 35px;
  width: 60px;
  font-size: 22px;
  background: #f0f0f0;
  color: #3c3c3c;
  position: relative;
  margin-top: 15px;
}

.hexa:before{
  content: ""; 
  position: absolute; 
  left: 0; 
  width: 0; 
  height: 0;
  border-bottom: 15px solid #f0f0f0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  top: -15px;
}

.hexa:after{
  content: ""; 
  position: absolute; 
  left: 0; 
  width: 0; 
  height: 0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  border-top: 15px solid #f0f0f0;
  bottom: -15px;
}

.timeline {
  position: relative;
  padding: 0;
  width: 100%;
  margin-top: 20px;
  list-style-type: none;
}

.timeline:before {
  position: absolute;
  left: 50%;
  top: 0;
  content: ' ';
  display: block;
  width: 2px;
  height: 100%;
  margin-left: -1px;
  background: rgb(213,213,213);
  background: -moz-linear-gradient(top, rgba(213,213,213,0) 0%, rgb(213,213,213) 8%, rgb(213,213,213) 92%, rgba(213,213,213,0) 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(30,87,153,1)), color-stop(100%,rgba(125,185,232,1)));
  background: -webkit-linear-gradient(top, rgba(213,213,213,0) 0%, rgb(213,213,213) 8%, rgb(213,213,213) 92%, rgba(213,213,213,0) 100%);
  background: -o-linear-gradient(top, rgba(213,213,213,0) 0%, rgb(213,213,213) 8%, rgb(213,213,213) 92%, rgba(213,213,213,0) 100%);
  background: -ms-linear-gradient(top, rgba(213,213,213,0) 0%, rgb(213,213,213) 8%, rgb(213,213,213) 92%, rgba(213,213,213,0) 100%);
  background: linear-gradient(to bottom, rgba(213,213,213,0) 0%, rgb(213,213,213) 8%, rgb(213,213,213) 92%, rgba(213,213,213,0) 100%);
  z-index: 5;
}

.timeline li {
  padding: 2em 0;
}

.timeline .hexa{
  width: 16px;
  height: 10px;
  position: absolute;
  background: #00c4f3;
  z-index: 5;
  left: 0;
  right: 0;
  margin-left:auto;
  margin-right:auto;
  top: -30px;
  margin-top: 0;
}

.timeline .hexa:before {
  border-bottom: 4px solid #00c4f3;
  border-left-width: 8px;
  border-right-width: 8px;
  top: -4px;
}

.timeline .hexa:after {
  border-left-width: 8px;
  border-right-width: 8px;
  border-top: 4px solid #00c4f3;
  bottom: -4px;
}

.direction-l,
.direction-r {
  float: none;
  width: 100%;
  text-align: center;
}

.flag-wrapper {
  text-align: center;
  position: relative;
}

.flag {
  position: relative;
  display: inline;
  background: rgb(255,255,255);
  font-weight: 600;
  z-index: 15;
  padding: 6px 10px;
  text-align: left;
  border-radius: 5px;
}

.direction-l .flag:after,
.direction-r .flag:after {
  content: "";
  position: absolute;
  left: 50%;
  top: -15px;
  height: 0;
  width: 0;
  margin-left: -8px;
  border: solid transparent;
  border-bottom-color: rgb(255,255,255);
  border-width: 8px;
  pointer-events: none;
}

.direction-l .flag {
  -webkit-box-shadow: -1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
  -moz-box-shadow: -1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
  box-shadow: -1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
}

.direction-r .flag {
  -webkit-box-shadow: 1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
  -moz-box-shadow: 1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
  box-shadow: 1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
}

.time-wrapper {
  display: block;
  position: relative;
  margin: 4px 0 0 0;
  z-index: 14;
  line-height: 1em;
  vertical-align: middle;
  color: #fff;
}

.direction-l .time-wrapper {
  float: none;
}

.direction-r .time-wrapper {
  float: none;
}

.time {
  background: #00c4f3;
  display: inline-block;
  padding: 8px;
}

.desc {
  position: relative;
  margin: 1em 0 0 0;
  padding: 1em;
  background: rgb(254,254,254);
  -webkit-box-shadow: 0 0 1px rgba(0,0,0,0.20);
  -moz-box-shadow: 0 0 1px rgba(0,0,0,0.20);
  box-shadow: 0 0 1px rgba(0,0,0,0.20);
  z-index: 15;
}

.direction-l .desc,
.direction-r .desc {
  position: relative;
  margin: 1em 1em 0 1em;
  padding: 1em;
  z-index: 15;
}

@media(min-width: 768px){
  .timeline {
    width: 660px;
    margin: 0 auto;
    margin-top: 20px;
  }

  .timeline li:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
  }
  
  .timeline .hexa {
    left: -28px;
    right: auto;
    top: 8px;
  }

  .timeline .direction-l .hexa {
    left: auto;
    right: -28px;
  }

  .direction-l {
    position: relative;
    width: 310px;
    float: left;
    text-align: right;
  }

  .direction-r {
    position: relative;
    width: 310px;
    float: right;
    text-align: left;
  }

  .flag-wrapper {
    display: inline-block;
  }
  
  .flag {
    font-size: 18px;
  }

  .direction-l .flag:after {
    left: auto;
    right: -16px;
    top: 50%;
    margin-top: -8px;
    border: solid transparent;
    border-left-color: rgb(254,254,254);
    border-width: 8px;
  }

  .direction-r .flag:after {
    top: 50%;
    margin-top: -8px;
    border: solid transparent;
    border-right-color: rgb(254,254,254);
    border-width: 8px;
    left: -8px;
  }

  .time-wrapper {
    display: inline;
    vertical-align: middle;
    margin: 0;
  }

  .direction-l .time-wrapper {
    float: left;
  }

  .direction-r .time-wrapper {
    float: right;
  }

  .time {
    padding: 5px 10px;
  }

  .direction-r .desc {
    margin: 1em 0 0 0.75em;
  }
}

@media(min-width: 992px){
  .timeline {
    width: 800px;
    margin: 0 auto;
    margin-top: 20px;
  }

  .direction-l {
    position: relative;
    width: 380px;
    float: left;
    text-align: right;
  }

  .direction-r {
    position: relative;
    width: 380px;
    float: right;
    text-align: left;
  }
}

</style>